Cita APA

Rammerstorfer, B., & Perkins, N. (2004). Unbroken will: The extraordinary courage of an ordinary man. Grammaton.

Citación estilo Chicago

Rammerstorfer, Bernhard, y Neil Perkins. Unbroken Will: The Extraordinary Courage of an Ordinary Man. New Orleans: Grammaton, 2004.

Cita MLA

Rammerstorfer, Bernhard, y Neil Perkins. Unbroken Will: The Extraordinary Courage of an Ordinary Man. Grammaton, 2004.